Ricoh FW780 Service Manual page 314

SC Code E-10: Main Motor Abnormal...................................................6-3
SC Code E-11: Toner Density Sensor Adjustment Error ......................6-3
SC Code E-13: Total Counter Abnormal...............................................6-4
SC Code E-14: Zero Cross Signal Detection Abnormal........................6-4
SC Code E-15: Main Switch Abnormal .................................................6-4
SC Code E-17: Unstable Fusing Temperature .....................................6-4
SC Code E-18: Fusing Lamp Continuous Light ....................................6-4
6.3 BLOWN FUSE TABLE ..............................................................................6-5
6.3.1 POWER SUPPLY UNIT....................................................................6-5
Europe Version .....................................................................................6-5
U.S.A. Version ......................................................................................6-5
AC Drive Board .....................................................................................6-5
ROLL FEEDER UNIT B435/B436
1. OVERALL MACHINE INFORMATION ........................................ 7-1
1.1 SPECIFICATIONS.....................................................................................7-1
1.2 ELECTRICAL COMPONENT DESCRIPTIONS ........................................7-2
2. DETAILED SECTION DESCRIPTIONS ...................................... 7-3
2.1 MECHANICAL OPERATION .....................................................................7-3
2.1.1 BASIC OPERATION.........................................................................7-3
2.1.2 ROLL EDITION DETECTION ...........................................................7-5
2.1.3 DRIVE MECHANISM........................................................................7-5
2.1.4 CUTTER OPERATION .....................................................................7-6
3. REPLACEMENT AND ADJUSTMENT........................................ 7-7
3.1 CUTTER UNIT REPLACEMENT...............................................................7-7
3.2 ROLL FEED LEADING EDGE SENSOR REPLACEMENT.......................7-8
3.3 ROLL FEED UNIT REMOVAL...................................................................7-9
3.4 ROLL FEED CLUTCH REPLACEMENT .................................................7-10
3.5 ROLL FEED MOTOR REPLACEMENT ..................................................7-11
3.6 ROLL END SENSOR REPLACEMENT...................................................7-12
3.7 CUT LENGTH ADJUSTMENT.................................................................7-13
Preset Cut : Adjustment standards: 3 mm (for Length Shorter
than 420 mm) 5 mm (for 420 to 1,189 mm) 11 mm
(3,000 mm) .........................................................................................7-13
3.8 SIDE REGISTRATION ADJUSTMENT ....................................................7-14
B047/B048 vi SM